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Recent questions tagged q125

The joule - Thomson coefficient for a gas is zero at

asked Mar 3, 2014 by sharmaaparna1

1 answer

For which of the following parameters the structural isomers $C_2H_5OH$ and $CH_3OCH_3$ would be expected to have the same values ? (Assume ideal behaviour )

asked Mar 3, 2014 by meena.p

1 answer

In the below reaction,the reactive intermediate formed is

asked Feb 27, 2014 by sreemathi.v

1 answer

Find the length of sub tangent and sub-normal?(for hyperbola)

asked Feb 10, 2014 by sreemathi.v

1 answer

Let $a_{1}+a_{2}+a_{3}+\;......$ be terms of an AP. If $\;\frac{S_{p}}{S_{q}}=\frac{p^2}{q^2}\;then\;\frac{a_{7}}{a_{14}} =$

asked Jan 21, 2014 by yamini.v

1 answer

The binding energy of electrons in a metal is 250KJ/mol.What is the threshold frequency of metal ?

asked Jan 17, 2014 by sreemathi.v

1 answer

$\lim\limits_{x\to 0}\large\frac{(1+x)^{1/x}-e}{x}$ is

asked Jan 2, 2014 by sreemathi.v

1 answer

Which one of the following scientist's name is correctly matched with the theory put forth by him ?

asked Dec 20, 2013 by thanvigandhi_1

1 answer

$I=\int \limits_0^{\frac{\pi}{2}} \sin ^4 x \cos^2 x dx$ find the value of I

asked Dec 20, 2013 by meena.p

1 answer

Molecular orbital theory was proposed by:

asked Nov 20, 2013 by thanvigandhi_1

0 answers

The reagent used in the Wolff - Kishner reduction is :

asked Nov 5, 2013 by thanvigandhi_1

1 answer

The pair of chemicals that maintain heat balance in troposphere are

asked Oct 21, 2013 by thanvigandhi_1

1 answer

Which one of the following reactions is not correct?

asked Oct 21, 2013 by thanvigandhi_1

0 answers

The bond length of HCl molecules is $1.275\;A^{\circ}$ and its dipole moment is $1.03\;D$. The ionic character of the molecule (in percent) (charge of the electron $=4.8 \times 10^{-10}\;e.s.u)$ is

asked Oct 21, 2013 by meena.p

1 answer

Which one of the following reactions is not correct?

asked Oct 15, 2013 by thanvigandhi_1

0 answers

The number of $p \pi-d \pi $ 'pi' bonds present in $XeO_3$ and $XeO_4$ molecules, respectively:

asked Oct 14, 2013 by meena.p

1 answer

The ratio of anion radius to cation radius of a crystal is $10 : 9.3 $. Then, the coordination number of the cation in the crystal is :

asked Oct 1, 2013 by meena.p

1 answer

For the electro chemical cell $ M | M^{+} || X^{-} | X, E^{0}(M^{+} | M)=0.44\;V$ and $E^{0} (X | X ^{-})=0.33\;V.$ Which one of the following is true for this data?

asked Sep 25, 2013 by meena.p

0 answers

Which one of the following statement is correct?

asked Sep 18, 2013 by meena.p

1 answer

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